package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController("adminDishController")
@Slf4j
@RequestMapping("/admin/dish")
@Api (tags = "菜品相关接口")
public class DishController {

    @Autowired
    DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        dishService.save(dishDTO);

        // 清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> selectPage(DishPageQueryDTO dishPageQueryDTO){
        PageResult  pageResult= dishService.page(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        dishService.deleteBatch(ids);

        // 将所有的菜品缓存数据清理掉，所有以dish_开头的key
        Set keys = redisTemplate.keys("dish_*");  // 将dish_开头的key存入keys
        redisTemplate.delete(keys);

        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品")
    public Result<DishVO> selectById(@PathVariable Long id){
        DishVO dishVO = dishService.selectById(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        // 调用方法
        dishService.update(dishDTO);

        // 将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }
    /*根据分类id查找菜品*/
    @GetMapping("list")
    @ApiOperation("根据分类id查找菜品")
    public Result<List<Dish>> findBycategoryId(Long categoryId){
        List<Dish> list = dishService.selectBycategotyId(categoryId);
        return Result.success(list);
    }

    /*菜品的起售与停售*/
    @PostMapping("/status/{status}")
    @ApiOperation("修改菜品状态")
    public Result updateStatus(@PathVariable Integer status,Long id){
        dishService.updateStatus(status,id);

        // 将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    /*清理缓存数据*/
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);  // 将pattern存入keys
        redisTemplate.delete(keys);
    }

}
